地矿测绘2023，39(1):52～55CN53－1124/TDISSN1007－9394SurveyingandMappingofGeologyandMineralＲesources无人机倾斜摄影测量与地面三维激光扫描的精度对比*李霞1，熊晶2(1．云南省水利水电勘测设计研究院，云南昆明650000;2．武汉地震计量检定与测量工程研究院有限公司，湖北武汉430071)摘要:无人机倾斜摄影以及地面三维激光扫描等新型测绘技术近年来快速发展，在诸多领域得到了广泛应用。为此，文章以某科技园为例，对无人机倾斜摄影测量与地面三维激光扫描的精度进行对比。通过对精度结果进行分析得出:无人机航测地面点的精度优于房角点，但是三维激光扫描房角点的精度优于地面点;无人机航测与三维激光扫描的平面精度相当，但在高程精度方面，三维激光扫描精度显著高于无人机航测精度。实践证明，将无人机倾斜摄影测量和三维激光扫描技术相结合，能大大提高测量效率并降低劳动强度。关键词:地面三维激光扫描;无人机倾斜摄影测量;精度对比;全站仪;ＲTK中图分类号:P237文献标识码:A文章编号:1007－9394(2023)01－0052－04AccuracyComparisonBetweenUAVTiltPhotogrammetryandGround3DLaserScanningLIXia1，XIONGJing2(1．YunnanProvincialWaterConservancyandHydroelectricSurveyDesignandＲesearchInstitute，KunmingYunnan650000，China;2．WuhanSeismicMetrologicalVerification＆SurveyingEngineeringInstituteCo．，LTD，WuhanHubei430071，China)Abstract:NewsurveyingandmappingtechnologiessuchasUAVtiltphotogrammetryandground3Dlaserscanninghavebeendevelopedrapidlyinrecentyearsandhavebeenwidelyusedinmanyfields．Takingascienceparkasstudycase，thisarticlecomparestheaccuracyofUAVtiltphotogrammetryandground3Dlaserscanning．Throughtheanalysisoftheaccuracyresults，itisconcludedthattheaccuracyofgroundpointsforUAVaerialsurveyisbetterthanthatofhousecornerpoints，buttheaccuracyofhousecornerpointsfor3Dlaserscanningisbetterthanthatofgroundpoints，thentheplaneaccuracyofUAVaerialsurveyisequivalenttothatof3Dlaserscanning，buttheelevationaccuracyof3DlaserscanningissignificantlyhigherthanthatofUAVaerialsurvey．PracticehasprovedthatthecombinationofUAVtiltphotogrammetryand3Dlaserscanningtechnologycangreatlyimprovemeasurementefficiencyandreducelaborintensity．Keywords:ground3Dlasersc...
